Question

18. For what value of k does 2x2 + x + 3 = 0 have equal roots?
19. For what value of k does (k-12) x + 2(k-12) x + 2 = 0 have equal roots?
20. Find the values of k so that quadratic equation have two equal roots KX
atic equation have two equal roots kx (x - 2) + 6 = 0​

Answer 1

Step-by-step explanation:

here is your answer

there is no k in 18 th question

in 19 th answer is k=12 and 14

in 20 th answer is k=0 and 6

hope this is true and helpful to you.